# How do you solve #10+a^2=-7a#?

##### 1 Answer

Jun 22, 2018

#### Explanation:

Since we have a second-degree term, we know we are dealing with a quadratic, so we need to set it equal to zero to find its zeroes.

We can add

At this point, we want to think of two numbers that sum up to the middle term (

After some trial and error, we arrive at

Setting both factors equal to zero, we get

Hope this helps!